Threaded Shank Drill Bit, Drill Bit Size 1/4 in, 135 ° Drill Bit Point Angle, Cobalt

  • Item # 52NV79
  • My Part #
  • Mfr. Model # 953CO1/4LS
  • Catalog Page # 2253
  • UNSPSC # 27112801
Threaded Shank Drill Bit,  Drill Bit Size 1/4 in,  135 ° Drill Bit Point Angle,  Cobalt close
To zoom in, use the keyboard to focus on the arrow icon within the product image. Once it receives focus, use the arrow keys on the keyboard to move and position the product image. The zoom feature provides no benefit to users who are blind.

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price

Please sign in to your account to see your pricing, which may be different from the price displayed.

Primary Category:
~Machining~Drilling and Holemaking~Threaded Shank Drill Bits

$4.15 / each

Shipping: pkg of 50

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 0.15 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This cobalt steel threaded shank drill bit from Rocky Mountain Twist™ features a hard surface with high lubricity. Split point penetrates on contact and prevents walking of the bit. Superior red hardness for high temperature applications. Less end load pressure required. For steel (low and medium carbon), steel alloy, stainless steel, and strength alloys. Built to NAS 965.

View More

Technical Specs

  • Item Threaded Shank Drill Bit
  • Material - Machining Cobalt
  • Shank Thread Size 1/4 in-28
  • Finish - Machining Black Oxide
  • Measurement System Fractional Inch
  • Drill Bit Size 1/4 in
  • Drill Bit Point Angle 135 Degrees
  • Decimal Equivalent 0.25
  • Drill Bit Point Type Split Point
  • Flute Type Spiral
  • Number of Flutes 2
  • Flute Length 1 1/8 in
  • Maximum Drilling Depth 1 1/8 in
  • Cutting Direction Right Hand
  • Spiral Direction Right Hand
  • Overall Length 2 1/8 in
  • Depth:Dia. Ratio 4xD
  • Drill Bit Grouping Individual
  • Shank Type - Machining Threaded
  • Aircraft Drill Yes
  • Standards NAS 965 Type D
  • Web Construction Split
  • Primary Material Application Steel
  • Primary Material Application ISO Code P, S
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Search Terms